---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6936 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 777 5087 4 2377 7163 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:40:b9:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83963sec preferred_lft 83963sec inet6 fe80::f816:3eff:fe40:b9ed/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6936) 09/11/26 _x86_64_ (2 CPU) 00:40:11 LINUX RESTART (2 CPU) 00:50:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:34 1.72 0.01 1.65 0.07 0.05 46.51 5.13 01:10:44 15.43 13.30 2.01 0.12 148.10 70.99 9.64 01:20:04 4.84 0.05 3.84 0.95 1.59 383.86 1712.64 Average: 7.43 4.60 2.46 0.36 51.56 161.68 546.91 00:50:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:34 5201452 7396228 370940 4.56 87504 2268360 658480 7.17 588716 2040968 640 01:10:44 5129848 7388276 369956 4.55 90964 2320444 650800 7.09 590788 2095828 428 01:20:04 5212072 7331468 436140 5.36 92872 2187672 668716 7.28 665876 1964860 11796 Average: 5181124 7371991 392345 4.82 90447 2258825 659332 7.18 615127 2033885 4288 00:50:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:34 ens3 28.46 25.30 5.01 3.06 0.00 0.00 0.00 0.00 01:10:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:44 ens3 27.08 24.35 5.05 3.35 0.00 0.00 0.00 0.00 01:20:04 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 41.51 37.20 23.44 20.16 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 32.11 28.74 10.85 8.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6936) 09/11/26 _x86_64_ (2 CPU) 00:40:11 LINUX RESTART (2 CPU) 00:50:34 CPU %user %nice %system %iowait %steal %idle 01:00:34 all 3.60 0.00 0.48 0.02 0.01 95.90 01:00:34 0 3.46 0.00 0.44 0.02 0.01 96.07 01:00:34 1 3.74 0.00 0.51 0.01 0.02 95.72 01:10:44 all 2.82 0.14 0.48 0.16 0.02 96.39 01:10:44 0 3.20 0.27 0.52 0.27 0.01 95.73 01:10:44 1 2.44 0.02 0.43 0.04 0.02 97.04 01:20:04 all 7.34 0.00 0.77 0.08 0.01 91.80 01:20:04 0 12.19 0.00 0.89 0.12 0.02 86.78 01:20:04 1 2.53 0.00 0.65 0.03 0.01 96.79 Average: all 4.52 0.05 0.57 0.08 0.01 94.77 Average: 0 6.14 0.09 0.61 0.14 0.01 93.01 Average: 1 2.91 0.01 0.53 0.03 0.01 96.52